Rajnath Singh on accidental missile firing: The accident took place during routine maintenance and inspection at around 7 pm on March 9, when one missile got released accidently and it was learnt later that the missile had landed inside the territory of Pakistan.
source https://www.jagranjosh.com/current-affairs/missile-system-very-reliable-safe-defence-minister-rajnath-singh-on-accidental-missile-firing-into-pakistan-1647329200-1